830 Result(s)
within
Jun-**a **ao
Nanotechnology
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Article
Open AccessImpact of Transition Metal Layer Vacancy on the Structure and Performance of P2 Type Layered Sodium Cathode Material
Vacancy in the transition metal layer of sodium cathode material induces the formation lone-pair electrons in the O 2p orbital.
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Article
Asymmetric catalytic synthesis of chiral covalent organic framework composite (S)-DTP-COF@SiO2 for HPLC enantioseparations by normal-phase and reversed-phase chromatographic modes
A novel CCOF core–shell composite material (S)-DTP-COF@SiO2 was prepared via asymmetric catalytic and in situ growth strategy. The prepared (S)-DTP-COF@SiO2 was utilized as separation medium for HPLC enantiosepar...
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Boosting ammonia production in electrocatalytic NOx reduction on a robust Fe/FeMoO4 catalyst
Electrocatalytic reduction of nitrate \(({\rm{N}}{{\rm{O}}_3}^ - )\) ( ...
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Article
Epitaxial quasi-2D/3D hybrid perovskite heterojunctions for photodetector with enhanced detectivity and stability
Although numerous metal halide perovskite materials have been investigated in the field of optoelectronic, the development of perovskite heterojunctions with exotic structures is still rare. Herein, we report ...
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Article
Fabrication and characterization of controllable micro wavy pattern on cylindrical surface using ultra-precision diamond turning system
The study investigated the fabrication and characterization of a controllable wavy patterned mold using an ultra-precision diamond machining system. The design method of cutting tool path for controllable wavy...
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The future of two-dimensional semiconductors beyond Moore’s law
The primary challenge facing silicon-based electronics, crucial for modern technological progress, is difficulty in dimensional scaling. This stems from a severe deterioration of transistor performance due to ...
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Article
In Situ Microscale Observation of FeOx–SiO2 Interfacial Reaction
Promoting the interfacial reaction between iron oxide (FeOx) particles generated from concentrate and silica-flux in the reaction shaft is essential to make the slag with good flowability and ensure matte separat...
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Electrochemomechanical failure in layered oxide cathodes caused by rotational stacking faults
Electrochemomechanical degradation is one of the most common causes of capacity deterioration in high-energy-density cathodes, particularly intercalation-based layered oxides. Here we reveal the presence of ro...
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Article
Four-birds-with-one-stone: A multifunctional Ti-based material for solar-driven water evaporation
Sustainable, environmentally friendly and low-energy desalination materials have important research value for the increasing demand of freshwater year by year. However, it is a huge challenge to maintain high ...
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Article
Electronic engineering of Co-Ru diatomic sites and Ru nanoparticles for synergistic promotion of hydrogen evolution
The coexistence of multi-component active sites like single-atom sites, diatomic sites (DAS) and nanoclusters is shown to result in superior performances in the hydrogen evolution reaction (HER). Metal diatomi...
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Article
Effect of metallic copper on the electrothermal properties of carbon nanofibers
Cu2+/polyacrylonitrile composite fibers were prepared by electrospinning, and then Cu/carbon nanofibers (denoted as Cu/CNF-X; X = Cu content, 0, 3, or 5 wt%) were formed by calcining them. The effects of Cu2+ con...
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Article
A hydrophilic nanocomposite coating with enhanced durability and antifouling properties
The adhesion of bacteria to surfaces and the resulting biofilm pose significant risks to human health care services, food packaging and storage, and the marine industry. There is an urgent need to develop effi...
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Article
Chiral-induced synthesis of chiral covalent organic frameworks core-shell microspheres for HPLC enantioseparation
Two chiral covalent organic frameworks (CCOFs) core-shell microspheres based on achiral organic precursors by chiral-induced synthesis strategy for HPLC enantioseparation are reported for the first time. Using...
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Open AccessFouling-resistant reverse osmosis membranes grafted with 2-aminoethanethiol having a low interaction energy with charged foulants
Many fouling-resistant materials have been grafted or coated on the RO membrane surface for fouling-resistance. However, these modified RO membranes still exhibit a fast flux drop towards small charged organic...
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Article
Nitrogen-rich hollow carbon microspheres with tunable shell thicknesses for enhanced CO2 adsorption
Nitrogen-rich hollow carbon microspheres were successfully synthesized using resorcinol and formaldehyde as carbon sources, tetraethylenepentamine (TEPA) as a catalyst, and nitrogen source, with SiO2 microsphe...
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Article
Extinction Behavior and Near-Field Enhancement of 3D Hybrid Nanostructures Consisting of Ag-Coated SiO2 Nanorods
The optical property of three-dimensional (3D) hybrid nanostructures consisting of Ag-coated SiO2 nanorods (Ag-SiO2 NRs) is studied by a method of finite-difference time-domain calculations. In the visible-light ...
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Open AccessExosome lncRNA IFNG-AS1 derived from mesenchymal stem cells of human adipose ameliorates neurogenesis and ASD-like behavior in BTBR mice
The transplantation of exosomes derived from human adipose-derived mesenchymal stem cells (hADSCs) has emerged as a prospective cellular-free therapeutic intervention for the treatment of neurodevelopmental di...
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Open AccessHighly permeable and shelf-stable aquaporin biomimetic membrane based on an anodic aluminum oxide substrate
Aquaporin (AQP) biomimetic membranes are a coming-of-age technology for water purification. Although several studies have reported aquaporin biomimetic membrane fabrication to date, these membranes show low wa...
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The Nano Research Young Innovators Awards in bio-inspired nanomaterials
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Article
Crystal plasticity finite element model of the brittle–ductile transition temperature and fracture toughness of irradiated A508-3 steel
The brittle–ductile transition temperature (BDTT) and fracture toughness are useful indicators of the brittleness of reactor pressure vessel materials. However, current methods to analyze these parameters are ...
